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136211146 = 2289723509
BaseRepresentation
bin10000001111001…
…10101011001010
3100111022020120021
420013212223022
5234332224041
621303251054
73242530021
oct1007465312
9314266507
10136211146
116a9844a5
1239749a8a
13222b1916
14141398b8
15be58cd1
hex81e6aca

136211146 has 8 divisors (see below), whose sum is σ = 204395940. Its totient is φ = 68079168.

The previous prime is 136211111. The next prime is 136211147. The reversal of 136211146 is 641112631.

It can be written as a sum of positive squares in 2 ways, for example, as 134676025 + 1535121 = 11605^2 + 1239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136211146.

It is not an unprimeable number, because it can be changed into a prime (136211147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5961 + ... + 17548.

Almost surely, 2136211146 is an apocalyptic number.

136211146 is a deficient number, since it is larger than the sum of its proper divisors (68184794).

136211146 is a wasteful number, since it uses less digits than its factorization.

136211146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26408.

The product of its digits is 864, while the sum is 25.

The square root of 136211146 is about 11670.9530887584. The cubic root of 136211146 is about 514.5223157287.

Adding to 136211146 its reverse (641112631), we get a palindrome (777323777).

The spelling of 136211146 in words is "one hundred thirty-six million, two hundred eleven thousand, one hundred forty-six".

Divisors: 1 2 2897 5794 23509 47018 68105573 136211146